The half-Me of a certain substance is 19 years How long will it take for a...
The half-site of a certain tranquilizer in the bloodstream lis 21 hours. How long will it take for the drug to decay to 95% of the original dosage? Use the exponential decay model, A-ASEM to solve hours (Round to one decimal place as needed)
How long will it take a sample of radioactive substance to decay to half of its original amount, if it decays according to the function A(t) = 200e^-0.131t, where t is the time in years? Roud to the nearest hundredth year.
How long will it take a sample of radioactive substance to decay to half of its original amount, if it decays according to the function A(t) = 250e - 223, where t is the time in years? Round your answer to the nearest hundredth year. A) 3.11 yr B) 55.75 yr 24.76 yr D) 27.87 yr
Prehistoric cave paintings were discovered in a cave in France. The paint contained 21% of the original carbon-14. Use the exponential decay model for carbon-14 A=AD -0.0001211 to estimate the age of the paintings The paintings are approximately years old. (Round to the nearest integer.) The half-life of a certain tranquilizer in the bloodstream is 38 hours. How long will take for the drug to decay to 84% of the original dosage? Use the exponential decay model AA to solve....
A certain radioactive nuclide has a half life of 44.3 years. How long does it take for 87.5% of a sample of this substance to decay? years
A certain radioactive nuclide has a half life of 74.8 years. How long does it take for 87.5% of a sample of this substance to decay? ___years?
A certain radioactive nuclide has a half life of 50.7 years. How long does it take for 87.5% of a sample of this substance to decay? years Submit Hide Hints Hint 1 Hint 4 Hint 3 Hint 2 What percentage of the original sample has decayed after two half lives have elapsed?
Half-Life Complete the table shown to the right for the half-life of a certain radioactive substance. Decay Rate, k 4.6% per year = -0.046 The half-life is years. (Round to one decimal place as needed.)
Complete the table shown to the right for the half fe of a certain radioactive substance Decay Rate, 3.7% per year -0.037 The half-life is years (Round to one decimal place as needed.)
In 2 Use the formula t= that gives the time for a population, with a growth rate k, to double, to answer the following questions. The growth model A=70.0071 describes the population, A. of a country in millions, tyears after 2003. a. What is the country's growth rate? The half-life of a certain tranquilizer in the bloodstream is 38 hours. How long will it take for the drug to decay to 84% of the original dosage? Use the exponential decay...